RPC over HTTP connectivity report

So I have Exchange 2003 running on a W2K3 server. I have users that need to access/edit their mails and tasks through Outlook. I've been told that FULL versions of exchange can not run both exchange service and POP3. I started to read up on the Outlook anywhere and am having issues with this as well. I ran this through testexchangeconnectivity.com and this was the results. Any info would be helpful!!!

Attempting to resolve the host name company.com in DNS.
Host successfully resolved

Additional Details
IP(s) returned: 173.12.*.*
Testing TCP Port 443 on host company.com to ensure it is listening and open.
The port was opened successfully.
ExRCA is testing the SSL certificate to make sure it's valid.
The certificate passed all validation requirements.

Test Steps

The certificate name is being validated.
Successfully validated the certificate name

Additional Details
Found hostname company.com in Certificate Subject Alternative Name entry
Certificate trust is being validated.
The certificate is trusted and all certificates are present in the chain.

Additional Details
The Certificate chain has be validated up to a trusted root. Root = OU=Equifax Secure Certificate Authority, O=Equifax, C=US
The certificate date is being confirmed to ensure the certificate is valid.
Date validation passed. The certificate hasn't expired.

Attempting to resolve the host name autodiscover.company.com in DNS.
Host successfully resolved

Additional Details
IP(s) returned: 173.12.*.*
Testing TCP Port 443 on host autodiscover.company.com to ensure it is listening and open.
The port was opened successfully.
ExRCA is testing the SSL certificate to make sure it's valid.
The certificate passed all validation requirements.

Test Steps

The certificate name is being validated.
Successfully validated the certificate name

Additional Details
Found hostname autodiscover.company.com is a Wildcard Certificate match for Common name: *.company.com
Certificate trust is being validated.
The certificate is trusted and all certificates are present in the chain.

Additional Details
The Certificate chain has be validated up to a trusted root. Root = OU=Equifax Secure Certificate Authority, O=Equifax, C=US
The certificate date is being confirmed to ensure the certificate is valid.
Date validation passed. The certificate hasn't expired.

Additional Details
A Web Exception occurred because an HTTP 404 - NotFound response was received from IIS6
ExRCA is attempting to contact the Autodiscover service using the HTTP redirect method.
The attempt to contact Autodiscover using the HTTP Redirect method failed.

Test Steps

Attempting to resolve the host name autodiscover.company.com in DNS.
Host successfully resolved

Additional Details
IP(s) returned: 173.12.*.*
Testing TCP Port 80 on host autodiscover.company.com to ensure it is listening and open.
The port was opened successfully.
Checking Host autodiscover.company.com for an HTTP redirect to AutoDiscover
ExRCA failed to get an HTTP redirect response for Autodiscover.

Additional Details
A Web Exception occurred because an HTTP 404 - NotFound response was received from IIS6
ExRCA is attempting to contact the Autodiscover service using the DNS SRV redirect method.
Failed to contact AutoDiscover using the DNS SRV redirect method.

Test Steps

Attempting to locate SRV record _autodiscover._tcp.company.com in DNS.
The Autodiscover SRV record wasn't found in DNS.

A few other questions Id like to add..... In IIS; do i need to modify RPC or RPCwithCert virtual directories? Also, my global catalog also resides on a windows 2000 server. Is this still possible to do this or do I have to demote this machine and promote one of my W2K3 machines?

Ok. So I've verified that exchange DOES have the rpcproxy.dll in the specified folder. I also added a registry file in my Global Catalog with the data ncacn_http:6004. I reran the test exchange website and it responded with.

The certificate common name *.company.com, doesn't validate against Mutual Authentication string provided msstd:company.company.com

I have a wildcard SSL and when I go to digicert they are able to verify the SSL certificate as valid. I'm getting closer... I can feel it....

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